What is represented by the identifier '$' in Qlik Sense?

In Qlik Sense, the identifier '$' represents the full set of records in the app. This means that when you use the dollar sign, you are referring to all available data in the application, regardless of any selections that have been made by the user.

This full set of records can be utilized in expressions, set analysis, and various calculations to provide a baseline from which you can analyze the effects of filters or other selections made within the application.

The emphasis on '$' as the full data set is crucial because it serves as a fundamental concept in Qlik Sense that enables users to compare current selections against the total dataset, allowing for more insightful data discovery and analysis. Understanding this identifier is essential when interacting with data in Qlik Sense, as it aids in creating sophisticated visualizations and analytics that account for the entirety of the data landscape.